- Added support for using OAuth 2.0 with Google accounts
- Added support for using OAuth 2.0 with Yahoo and AOL accounts
- Added "Unsubscribe" action that is displayed in the menu when viewing a message that contains an Unsubscribe header
- Fixed a bug where unrelated notifications where cleared after synchronizing a folder containing no unread messages
- Fixed rare problem with decoding format=flowed messages
- Various other small bug fixes and improvements
- Updated translations
